A Reassessment of the Higher-Order Factor Structure of the German Schizotypal Personality Questionnaire (SPQ-G) in German-Speaking Adults

Barron, David and Voracek, Martin and Tran, Ulrich S. and Ong, Hui San and Morgan, Kevin D. and Towell, Tony and Swami, Viren (2018) A Reassessment of the Higher-Order Factor Structure of the German Schizotypal Personality Questionnaire (SPQ-G) in German-Speaking Adults. Psychiatry Research, 269. pp. 328-336. ISSN 1872-7123

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Official URL: https://doi.org/10.1016/j.psychres.2018.08.070

Abstract

The Schizotypal Personality Questionnaire (SPQ) is a widely-used self-report instrument for the assessment of schizotypal personality traits. However, the factor structure of scores on English and non-English translations of the SPQ has been a matter of debate. With little previous factorial evaluation of the German version of the SPQ (SPQ-G), we re-assessed the higher-order factor structure of the measure. A total of 2,428 German-speaking adults from Central Europe (CE) and the United Kingdom (UK) completed the SPQ-G. Confirmatory factor analysis – testing proposed 2-, 3-, and 4-factor models of SPQ-G scores – indicated that the 4-factor solution had best fit. Partial measurement invariance across cultural group (CE and UK) and sex was obtained for the 4-factor model. Further analyses showed CE participants had significantly higher scores than UK participants on one schizotypal facet. These results suggest that scores on the SPQ-G are best explained in terms of a higher-order, 4-factor solution in German migrant and non-migrant adults.

Item Type: Journal Article
Keywords: Schizotypy, Schizotypal Personality Questionnaire, SPQ-G, Confirmatory factor analysis, Invariance
Faculty: Faculty of Science & Technology
Depositing User: Viren Swami
Date Deposited: 20 Aug 2018 12:23
Last Modified: 26 Sep 2018 14:37
URI: http://arro.anglia.ac.uk/id/eprint/703487

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